/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Character/CharacterGroundConstraint.h
The maximum force that the character can apply in the plane defined by the ground normal to hold the character in place while standing on an unwalkable incline (defined by max walkable slope angle)
void SetFrictionForceLimit ( const [FReal](API\Runtime\ChaosCore\Chaos\FReal) & Value )